Merge pull request #1165 from jmaas/release26

Dont reset CONFIG_ARGS as it might have been sourced from sysconfig/defa...
Merge pull request #1171 from jmaas/release26

Ensure all variables are available in PXE generation (#505).
remote.py: fixed derp - passwrod -> password
Merge pull request #1173 from aptyp/release26

remote.py: fixed derp - passwrod -> password
Support virtio26 for generic qemu fallback

Conflicts:
	koan/virtinstall.py
Merge pull request #1179 from opoplawski/release26-virtio

Support virtio26 for generic qemu fallback